Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sony - α9 III | Sony - ZV-E10 II |
|---|---|---|
| Weight | 703 g | 377 g |
| Megapixels | 24 MP | 26 MP |
| In-body stabilization | true | false |
| Sensor size | Full Frame | APS-C |
| Max video | 4K120 | 4K60 |
Between the α9 III and ZV-E10 II, the α9 III comes out ahead in in-body stabilization / sensor size, while the ZV-E10 II wins on weight / megapixels. Overall, the α9 III scores 71.7 and the ZV-E10 II scores 69.8 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (71.7 vs 69.8). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the α9 III if you care most about in-body stabilization / sensor size. The biggest gaps in its favor are in-body stabilization, sensor size, max video. The single most decisive one: Has In-body stabilization.
Pick the ZV-E10 II if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, megapixels. The single most decisive one: Weight — 326.00 g less. 377 vs 703.
Both ship with comparable af points, log profile, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Sony - α9 III or Sony - ZV-E10 II?
Sony - α9 III leads the current Mars Score by 1.9 points.The more useful decision is the trade-off behind that result: compare megapixels, sensor size, max video, weight against the way you will actually use the product.
Choose Sony - α9 III if…
Sony - α9 III has the measurable edge on has ibis, sensor size, max video.
Choose Sony - ZV-E10 II if…
Sony - ZV-E10 II has the measurable edge on weight g, megapixels.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Sony - α9 III wins
- ▲Has In-body stabilization.
- ▲Sensor size: Full Frame (vs APS-C).
- ▲Max video: 4K120 (vs 4K60).
Why Sony - ZV-E10 II wins
- ▲Weight — 326.00 g less. 377 vs 703.
- ▲Megapixels — 8.33% more. 26 MP vs 24 MP.
Spec comparison
Sensor
| Spec | Sony - α9 III | Sony - ZV-E10 II |
|---|---|---|
| Sensor sizeⓘ | Full Framelead | APS-C |
| Megapixels | 24 MP | 26 MPlead |
| Max ISO | 51200lead | 32000 |
Video
| Spec | Sony - α9 III | Sony - ZV-E10 II |
|---|---|---|
| Max video | 4K120lead | 4K60 |
| RAW video | truelead | false |
| Log profileⓘ | true | true |
Autofocus
| Spec | Sony - α9 III | Sony - ZV-E10 II |
|---|---|---|
| AF pointsⓘ | 759 | 759 |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | truelead | false |
Body & Controls
| Spec | Sony - α9 III | Sony - ZV-E10 II |
|---|---|---|
| Weight | 703 g | 377 glead |
| Weather sealedⓘ | truelead | false |
| Dual card slotsⓘ | truelead | false |